text: // Copyright 2022 Google LLC
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //      https://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  // Generated by the Codegen C++ plugin.
  // If you make any local changes, they will be lost.
  // source: google/cloud/dialogflow/v2/conversation.proto
  
  #ifndef GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_DIALOGFLOW_ES_INTERNAL_CONVERSATIONS_CONNECTION_IMPL_H
  #define GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_DIALOGFLOW_ES_INTERNAL_CONVERSATIONS_CONNECTION_IMPL_H
  
  #include "google/cloud/dialogflow_es/conversations_connection.h"
  #include "google/cloud/dialogflow_es/conversations_connection_idempotency_policy.h"
  #include "google/cloud/dialogflow_es/conversations_options.h"
  #include "google/cloud/dialogflow_es/internal/conversations_retry_traits.h"
  #include "google/cloud/dialogflow_es/internal/conversations_stub.h"
  #include "google/cloud/background_threads.h"
  #include "google/cloud/backoff_policy.h"
  #include "google/cloud/options.h"
  #include "google/cloud/status_or.h"
  #include "google/cloud/stream_range.h"
  #include "google/cloud/version.h"
  #include <memory>
  
  namespace google {
  namespace cloud {
  namespace dialogflow_es_internal {
  GOOGLE_CLOUD_CPP_INLINE_NAMESPACE_BEGIN
  
  class ConversationsConnectionImpl
      : public dialogflow_es::ConversationsConnection {
   public:
    ~ConversationsConnectionImpl() override = default;
  
    ConversationsConnectionImpl(
        std::unique_ptr<google::cloud::BackgroundThreads> background,
        std::shared_ptr<dialogflow_es_internal::ConversationsStub> stub,
        Options options);
  
    Options options() override { return options_; }
  
    StatusOr<google::cloud::dialogflow::v2::Conversation> CreateConversation(
        google::cloud::dialogflow::v2::CreateConversationRequest const& request)
        override;
  
    StreamRange<google::cloud::dialogflow::v2::Conversation> ListConversations(
        google::cloud::dialogflow::v2::ListConversationsRequest request) override;
  
    StatusOr<google::cloud::dialogflow::v2::Conversation> GetConversation(
        google::cloud::dialogflow::v2::GetConversationRequest const& request)
        override;
  
    StatusOr<google::cloud::dialogflow::v2::Conversation> CompleteConversation(
        google::cloud::dialogflow::v2::CompleteConversationRequest const& request)
        override;
  
    StreamRange<google::cloud::dialogflow::v2::Message> ListMessages(
        google::cloud::dialogflow::v2::ListMessagesRequest request) override;
  
   private:
    std::unique_ptr<dialogflow_es::ConversationsRetryPolicy> retry_policy() {
      auto const& options = internal::CurrentOptions();
      if (options.has<dialogflow_es::ConversationsRetryPolicyOption>()) {
        return options.get<dialogflow_es::ConversationsRetryPolicyOption>()
            ->clone();
      }
      return options_.get<dialogflow_es::ConversationsRetryPolicyOption>()
          ->clone();
    }
  
    std::unique_ptr<BackoffPolicy> backoff_policy() {
      auto const& options = internal::CurrentOptions();
      if (options.has<dialogflow_es::ConversationsBackoffPolicyOption>()) {
        return options.get<dialogflow_es::ConversationsBackoffPolicyOption>()
            ->clone();
      }
      return options_.get<dialogflow_es::ConversationsBackoffPolicyOption>()
          ->clone();
    }
  
    std::unique_ptr<dialogflow_es::ConversationsConnectionIdempotencyPolicy>
    idempotency_policy() {
      auto const& options = internal::CurrentOptions();
      if (options.has<
              dialogflow_es::ConversationsConnectionIdempotencyPolicyOption>()) {
        return options
            .get<dialogflow_es::ConversationsConnectionIdempotencyPolicyOption>()
            ->clone();
      }
      return options_
          .get<dialogflow_es::ConversationsConnectionIdempotencyPolicyOption>()
          ->clone();
    }
  
    std::unique_ptr<google::cloud::BackgroundThreads> background_;
    std::shared_ptr<dialogflow_es_internal::ConversationsStub> stub_;
    Options options_;
  };
  
  GOOGLE_CLOUD_CPP_INLINE_NAMESPACE_END
  }  // namespace dialogflow_es_internal
  }  // namespace cloud
  }  // namespace google
  
  #endif  // GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_DIALOGFLOW_ES_INTERNAL_CONVERSATIONS_CONNECTION_IMPL_H
  